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Zip Code 78233 — San Antonio, TX

ZIP Code 78233 is associated with San Antonio, TX, in Bexar County. The listed population estimate is 48,911; estimated density is 1,381.4 people per square mile. Among records with population estimates, it ranks #14 of 69 in Bexar County and #153 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.554830, -98.363230)

Data MetricLocal Statistic
Postal / Zip Code78233
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population48,911
Population Density1,381.4 people/sq mi
TimezoneAmerica/Chicago

How 78233 Compares

MetricZIP 78233Bexar County recordsTX records
Population estimate48,9112,079,418 (sum)30,188,035 (sum)
Population Density1,381.4 /sq mi----
County population rank#14 of 69----
State population rank#153 of 1,924----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 78239San Antonio2.6 mi28,609
ZIP 78247San Antonio3.4 mi51,933
ZIP 78217San Antonio3.6 mi34,055
ZIP 78148Universal City4.1 mi22,187
ZIP 78218San Antonio4.8 mi39,428

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →